Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #5 Aug 30 2018 22:41:21
%S 0,0,1,0,1,0,1,0,3,0,1,0,1,0,2,0,1,2,1,0,2,0,1,0,3,0,4,0,1,1,1,0,2,0,
%T 2,2,1,0,2,0,1,1,1,0,4,0,1,0,3,2,2,0,1,3,2,0,2,0,1,1,1,0,4,0,2,1,1,0,
%U 2,1,1,1,1,0,4,0,2,1,1,0,7,0,1,1,2,0,2,0,1,3,2,0,2,0,2,0,1,2,4,2,1,1,1,0,3
%N The 2-adic valuation of A318512.
%H Antti Karttunen, <a href="/A318513/b318513.txt">Table of n, a(n) for n = 1..65537</a>
%F a(n) = A007814(A318512(n)).
%o (PARI) A318513(n) = valuation(A318512(n),2); \\ Needs also code from A318512.
%Y Cf. A318512.
%K nonn
%O 1,9
%A _Antti Karttunen_, Aug 30 2018